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80221853818473 = 397275676473603
BaseRepresentation
bin10010001111011000011011…
…000110011001111001101001
3101112001010121220221201020120
4102033120123012121321221
541003323324034142343
6442341224425513453
722616560215345663
oct2217303306317151
9345033556851216
1080221853818473
1123619996112644
128bb7648642889
13359bb71940513
1415b4a89243533
15941b4b763683
hex48f61b199e69

80221853818473 has 8 divisors (see below), whose sum is σ = 108065177652768. Its totient is φ = 52929882931584.

The previous prime is 80221853818409. The next prime is 80221853818493. The reversal of 80221853818473 is 37481835812208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80221853818473 - 26 = 80221853818409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80221853818493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137838236511 + ... + 137838237092.

It is an arithmetic number, because the mean of its divisors is an integer number (13508147206596).

Almost surely, 280221853818473 is an apocalyptic number.

It is an amenable number.

80221853818473 is a deficient number, since it is larger than the sum of its proper divisors (27843323834295).

80221853818473 is a wasteful number, since it uses less digits than its factorization.

80221853818473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275676473703.

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 80221853818473 in words is "eighty trillion, two hundred twenty-one billion, eight hundred fifty-three million, eight hundred eighteen thousand, four hundred seventy-three".

Divisors: 1 3 97 291 275676473603 827029420809 26740617939491 80221853818473